TM 9-6115-545-24P
TO 35C2-3 444 4
NAVFAC P-8626-24P
SL-400038G/07499A
(2) Uniform Maintenance Codes applicable to all Military Services: GENERAL: Maintenance Codes are assigned
to indicate the levels of maintenance authorized to use and repair support items. The maintenance codes are in the third
and fourth position of the Uniform SMR Code format.
(a) USE (THIRD POSITION): The maintenance code entered in the third position indicates the lowest
maintenance level authorized to remove, replace, and use the support item. The maintenance code entered in the third
position indicates one of the following levels of maintenance.
Code
Application/Explanation
O
Support item is removed, replaced, used at the organizational level of maintenance.
F
Support item is removed, replaced, used at the following intermediate levels:
USAF - Intermediate (*)
USA - Direct Support (*)
USN - Afloat
USMC - 3rd Echelon
G
Support item is removed, replaced, used at both afloat and ashore intermediate levels: Navy Only.
H
Support item is removed, replaced, used at the following intermediate levels:
USAF - Intermediate (*)
USA - General Support (*)
USN - Ashore (Only)
USMC - 4th Echelon
D
Support items that are removed, replaced, used at depot only:
USAF - Depot, Mobile Depot and Specialized Repair Activity
USA - Depot, Mobile Depot and Specialized Repair Activity
USN - Aviation Rework, Avionics and Ordinance Facilities, and Shipyards
USMC - Depot
(*) NOTE: For USAF and the USA Safeguard Program, only Code "F" will be used to denote intermediate maintenance.
On joint programs use of either code F or H by the joining service will denote intermediate maintenance USAF and the
USA Safeguard Program.
(b) REPAIR (FOURTH POSITION): The maintenance code entered in the fourth position indicates whether
the item is to be repaired and identifies the lowest maintenance level with the capacity to perform complete repair (i.e.,
all authorized maintenance functions).
Code
Application/Explanation
O
The lowest maintenance level capable of complete repair of the support item is the organizational level.
F
The lowest maintenance level capable of complete repair of the support item is the following intermediate level:
USAF - Intermediate (*)
USA - General Support (*)
USN - Ashore (Only)
USMC - 4th Echelon
H
The lowest maintenance level capable of complete repair of the support item is the following intermediate level:
USAF - Intermediate (*)
USA - General Support (*)
USN - Ashore (Only)
USMC - 4th Echelon
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